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#include "video/video.h"
void initTexture(Visual *d) {
GLint min_filter;
char texname[120];
int i, j;
switch(getSettingi("mipmap_filter")) {
case NEAREST:
min_filter = GL_NEAREST;
break;
case LINEAR:
min_filter = GL_LINEAR;
break;
case MIPMAP:
min_filter = GL_LINEAR_MIPMAP_NEAREST;
break;
case TRILINEAR:
min_filter = GL_LINEAR_MIPMAP_LINEAR;
break;
default:
min_filter = GL_LINEAR_MIPMAP_LINEAR;
}
printf("using min_filter: %d (setting: %d)\n", min_filter,
getSettingi("mipmap_filter"));
checkGLError("texture.c initTexture - start");
/* todo: move that somewhere else */
glGenTextures(game_textures, d->textures);
checkGLError("texture.c initTexture - creating textures");
for(i = 0; i < n_textures; i++) {
for( j = 0; j < textures[i].count; j++) {
glBindTexture(GL_TEXTURE_2D, d->textures[ textures[i].id + j ]);
/* todo: snprintf would be safer, but win32 doesn't have it */
if(textures[i].count == 1) {
sprintf(texname, "%s%s", textures[i].name, TEX_SUFFIX);
} else {
sprintf(texname, "%s%d%s", textures[i].name, j, TEX_SUFFIX);
}
loadTexture(texname, textures[i].type);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, textures[i].wrap_s);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, textures[i].wrap_t);
if(getSettingi("softwareRendering")) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
} else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter);
#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#endif
#if 0
if(renderer.ext_filter_anisotropic) {
/* fprintf(stderr, "enabling anisotropic filtering\n"); */
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
textures[i].anisotropy);
}
#endif
}
checkGLError("texture.c initTextures");
}
}
}
void deleteTextures(Visual *d) {
glDeleteTextures(game_textures, d->textures);
checkGLError("texture.c deleted textures");
}
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